A MY_Session that includes a method to create a session cookie that expires when browse closes.
* Create MY_Session.php in your system\application\libraries folder and paste the following code.
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* MY_Session Class
*
* Extends the core CI_Session giving it the ability to create
* session cookies that expire when the browser closes
*/
class MY_Session extends CI_Session {
// ------------------------------------------------------------------------
/**
* Cookie Monster eats up the session cookie just before browser closes if he's awake!
*
* Okay, fine! It works by creating a cookie that tells CI_Session
* to create session cookies that expire when the browser closes
*
* @access public
* @return void
*/
function cookie_monster($asleep)
{
$asleep ?
setcookie($this->sess_cookie_name.'_cm', 'true', 0, $this->cookie_path, $this->cookie_domain, 0) :
setcookie($this->sess_cookie_name.'_cm', 'false', 0, $this->cookie_path, $this->cookie_domain, 0);
$this->sess_time_to_update = -1;
$this->sess_update();
}
// ------------------------------------------------------------------------
/**
* Write the session cookie
*
* @access public
* @return void
*/
function _set_cookie($cookie_data = NULL)
{
if (is_null($cookie_data))
{
$cookie_data = $this->userdata;
}
// Serialize the userdata for the cookie
$cookie_data = $this->_serialize($cookie_data);
if ($this->sess_encrypt_cookie == TRUE)
{
$cookie_data = $this->CI->encrypt->encode($cookie_data);
}
else
{
// if encryption is not used, we provide an md5 hash to prevent userside tampering
$cookie_data = $cookie_data.md5($cookie_data.$this->encryption_key);
}
// Set the cookie
setcookie(
$this->sess_cookie_name,
$cookie_data,
// if cookie monster exist and is awake, generate a session cookie that expires on browser close
isset($_COOKIE[$this->sess_cookie_name.'_cm']) && $_COOKIE[$this->sess_cookie_name.'_cm'] == 'true' ? 0 : $this->sess_expiration + time(),
$this->cookie_path,
$this->cookie_domain,
0
);
}
}
Example
* In your view, create a input[type=“checkbox”]
<input type="checkbox" name="remember_me" id="remember" value="true" />
* In your controller, call cookie_monster
$this->session->cookie_monster($this->input->post('remember_me') ? FALSE : TRUE);